Specialty Gas Regulator, Maximum Gauge Outlet Pressure 4,000 psig, Number of Stages Single Stage, Compatible Gas Type Nitrogen, Control Type T-Handle, Inlet Connection Type NGO, Inlet Connection Gender Male, Inlet Connection Size 0.965 In.-14, Outlet Pressure (Maximum) 500 psig, Outlet Connection Gender Male, Outlet Connection Size 1/4 in, Outlet Connection Type Flared, Body Material Brass, Body Finish Chrome Plated, Diaphragm Material Fiber Reinforced Neoprene, CGA Number CGA 580